Bakerloo Severe delays BAKERLOO LINE: Severe delays are occurring between Queen's park and Harrow & Wealdstone due to a signal failure at Harlesden. London Underground tickets will be valid on local buses via any reasonable route. See how we are transforming the Tube Central Good service Circle Good service District Good service H'smith & City Good service Jubilee Good service Metropolitan Good service Northern Good service Piccadilly Good service Victoria Good service Waterloo & City Good service